1mo
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Network Engineer
Singapore or Hong Kong or New York City
HybridFull Time
5+ YOE5+ years with complex high-performance networks, experience with Arista/Cisco/Juniper-like OSes, BGP/OSPF/multicast, network monitoring tools, Python scripting, VPNs and security appliances, and Unix/Linux system administration.
Arista EOS, Cisco IOS, Nexus-OS, PAN-OS, BGP, OSPF, PIM, MSDP, MRTG, Graphite, Grafana, Nagios, SNMP, Python, IPSec, GRE, Fortinet, Palo Alto, Unix, Linux, FPGA
1mo
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Connectivity Service Operations - Sr. Network Engineer
Whippany, New Jersey, United States
$159k-$160k/yr HybridFull Time
Manage and troubleshoot LAN/WAN/MAN, load balancers, proxies, and DNS; perform incident/problem/change management; execute preventative maintenance, root cause analysis, automation, and stakeholder communication.
Local Area Network (LAN), Wide Area Network (WAN), Metro Area Network (MAN), Load balancer, Web proxies, Domain Name System (DNS)
3w
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High Performance Computing (HPC) AI Engineer
New York, New York, United States
$101k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years relevant experience; expertise in parallel storage, SMB/NFS, Linux/UNIX and bash, networking (Ethernet, Infiniband, fiber channel), scripting (Bash, Python, Lua), and HPC/AI optimization.
Linux/UNIX, Bash, Python, Lua, SMB, NFS, Infiniband, fiber channel, UltraViolet
2w
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AI Cluster Validation Engineer
Austin or Santa Clara or Seattle or Secaucus
$143k-$245k/yr OnsiteFull Time
Expertise in GPU cluster performance, RDMA/RoCE networking, GPU architectures, scripting (Python, Bash), system-level performance analysis; BS/MS in electrical or computer engineering preferred.
RDMA, RoCE, Python, Bash
1mo
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Infrastructure Engineer — Hyper- V
Woodinville or Palo Alto or New York or New Jersey
OnsiteContract
5+ YOE5+ years infrastructure engineering experience with enterprise Microsoft Hyper-V, PowerShell automation, Windows Server administration, storage/networking performance analysis, infrastructure automation (DSC/SCCM/Ansible), and a technical bachelor's degree.
Microsoft Hyper-V, PowerShell, WMI, C#, .NET 8, Windows Server, PowerShell DSC, SCCM, Ansible, CI/CD, elbencho, VMFleet, diskspd, fio, Qualys, Microsoft System Center (VMM, SCOM, SCCM), VMware ESXi, KVM, Windows Server Failover Clustering (WSFC), Storage Spaces Direct (S2D), SET
2mo
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Software Engineer - Options Trading Systems
New York, New York, United States
$175k-$250k/yr OnsiteFull Time
5+ YOE5+ years in production software engineering; strong C++, systems fluency, networking; low-latency, high-performance focus.
C++, Networking, Socket programming, Multithreading
2mo
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Low-Latency Developer
New York, New York, United States
$150k-$300k/yr OnsiteFull Time
5+ YOE5+ years in low-latency development with HFT experience; strong C++; know-how in networking, kernel bypass, and performance optimization.
C++, Linux, Networking, Kernel Bypass, Profiling Tools, Multithreading, IPC, CPU Cache
2mo
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C++ Software Developer
Amsterdam or Chicago or London or New York City
OnsiteFull Time
Strong C++ ability, fundamentals of software engineering, experience building scalable distributed systems, network programming, and performance optimization; computing degree preferred or extensive professional experience.
C++, Linux
2mo
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Infrastructure Software Engineer
Zurich or United Kingdom or Germany or San Francisco or New York
HybridFull Time
Experience engineering large-scale infrastructure; strong network architecture and performance tuning; hands-on hardware deployment; proficient with orchestration and automation tools; track record of reliable systems and efficiency gains.
Go, Kubernetes, Terraform, Ansible
1mo
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Senior Infrastructure Project Engineer
Brooklyn, New York, United States
$100k/yr HybridFull Time
Design, plan, and deliver complex IT infrastructure projects; perform environment assessments and onboarding; implement networking, server, cloud, and migration solutions; produce documentation and mentor junior engineers.
Microsoft 365, Azure AD, Active Directory (AD), VPN
1mo
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Software Engineer (C++/Rust)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
5+ YOE5+ years software engineering experience; strong C/C++ or Rust skills; systems programming, multithreading, network I/O, and performance optimization experience; familiarity with lldb/gdb and CI/CD; good communication for remote work.
C/C++, Rust, lldb, gdb, CI/CD
1mo
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Senior Systems Engineer
New York or United States
OnsiteFull Time
5+ YOE5+ years supporting enterprise storage sales; strong knowledge of storage architectures, file systems, virtualization, high-performance networking, and security; excellent communication and presentation skills.
DAS, NAS, SAN
1w
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Field Service Engineer - Automation Industry
Pennsauken or North America
$60k-$75k/yr FieldFull Time
3+ YOEField-based engineer with 3+ years technical experience or a technical degree, strong electrical/programming/networking knowledge, US work authorization, ability to travel and perform physical tasks, live within 50 miles of a major airport.
2mo
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Research Engineer, Pre-Training
Chicago or London or New York City
$300k-$350k/yr OnsiteFull Time
Expert in large-scale distributed training, HPC or distributed systems, GPUs/TPUs and high-performance networking, Python and PyTorch/JAX; published research and advanced degree (MS/PhD) or equivalent industry experience.
GPUs, TPUs, NVLink, InfiniBand, Kubernetes, Slurm, Python, PyTorch, JAX, CUDA, Triton, Pallas, CuTe, XLA, FPGA, ASIC
4d
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Senior Software Engineer - Integration Runtime
New York, New York, United States
$160k-$240k/yr OnsiteFull Time
4+ YOE4+ years building high-performance backend or distributed systems; strong networking fundamentals; experience with observability and backend instrumentation.
Go, gRPC, HTTP/1.1, HTTP/2, TCP/IP, TLS, Golang, React, Kafka
1mo
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C++ Software Engineer - Market Data
New York, New York, United States
$110k-$150k/yr HybridFull Time
Hands-on modern C++ experience for performance-critical, low-latency market data systems; deep knowledge of multithreading, memory management, networking, profiling, and exchange protocols; production ownership and problem-solving skills.
C++, ITCH, PITCH, iMpact, OUCH
1mo
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Quantitative Developer, C++ I Low-Latency Systems
New York, New York, United States
$150k-$200k/yr OnsiteFull Time
3+ YOEBachelor's degree in a quantitative field, 3+ years developing high-performance C++ server-side applications on Linux; proficiency in Python, Polars, Apache Arrow, network programming, market data integration, Git and CI/CD; strong algorithms and concurrency skills.
C++, Python, Polars, Pandas, NumPy, PyData, Apache Arrow, Arrow Flight, DuckDB, kdb+/q, Rust, Git, CI/CD, Cursor, Claude Code, Copilot, AWS, Linux
1mo
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Senior Low Latency C++ Developer
New York or London or Chicago
$200k-$300k/yr OnsiteFull Time
Expert C++ (C++20/23), strong Python or Rust experience, solid algorithms/data-structures and distributed systems knowledge, networking and Linux systems programming, performance profiling, CI/CD familiarity, on-call participation.
C++, C++20, C++23, Python, Rust, TCP/UDP, multicast, Linux, FPGA, RDMA, Kubernetes, Docker, CI/CD
2mo
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Building Technology Systems – Lead Consultant
New York or Newark
$118k-$164k/yr OnsiteFull Time
10+ YOETen+ years designing high-performance security systems; US security clearance; CPP/PSP; Bachelor’s degree in engineering or related field.
Revit, Microsoft Office, Structured Cabling, DAS, Data Networking, Wi-Fi, Telephony
1mo
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Tech Lead - Low-Latency FX Engineering
New York City, New York, United States
$148k-$246k/yr OnsiteFull Time
Hands-on Java technical lead for low-latency FX trading systems with expertise in concurrency, multithreading, system design, performance tuning, profiling, and network protocols; experience leading delivery and mentoring engineers.
Java, SQL, NoSQL, TCP, UDP, HTTP
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